Automatic top-sash-closing device for windows.



D. J. ROSEN.

- AUTOMATIC TOP SASH CLOSING DEVICE FOR WINDOWS.

APPLICATION FILED AUG. 6, 1913 1 1 22,646, Patented Dec. 29, 1914.

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DAV/0d. OSEN/ DAVID J'. ROSEN, 0F BROOKLYN, NEW YORK.

AUTOMATIC TOP-SASI-I-CLOSING DEVICE FOR "WINDOWS.

Specification of Letters Patent.

Patented Dec. 29, 1914 Application filed August 6, 1913. Serial No. 783,386.

To all whom it may concern:

Be it known that 1, DAVID J. RosEN, a citizen of the United States, and residing at Brooklyn, in the county of Kings and State of New York, have invented certain new and useful improvements in Automatic lop- Sash Closing Devices for lVindows, of which the following is a specification, such as will enable those skilled in the art to which it appertains to make and use the same.

This invention relates to means for antomatically closing the top sash of a window in case of fire, and the object thereof is to provide a device of this class which is simple in construction, effective in operation and which can be easily applied at a minimum of cost; and with this and other objects in view the invention consists in a device or apparatus of the class specified constructed and operating as hereinafter described and claimed.

- The invention is'fully disclosed in the following specification of which the accompanying drawing forms a part, in which the separate parts of my improvement are designated by suitable reference characters in each of the views, and in which Figure l is a front View of the top corner of one side portion of a window frame and showing the corresponding corner of a window sash, said parts being provided with my improvement, and part of the construction being in section ;Fig. 2 an inside view of the window frame looking in the direction of the arrow m of Fig. l with the sash removed ;-F ig. 3 a sectional view on an enlarged scale of a supplemental weight which I employ and which is also shown in Fig. 1, and showing also a fusible connection Fig. 4. a top plan view of the weight shown in Fig. 3;-Fig. 5 a View similar to Fig. 3, but showing a modified form of the supplemental weight shown in said figure, and Fig. 6 an inner side view of said weight.

In the drawing forming part of this specification, I have shown at a one top corner of a window frame, at a a part of the top portion of said frame, at a a part of a side portion of said frame, and said frame is composed of sheet metal and may be of the usual or any preferred form, and mounted in said frame is the top sash b, a part of the top portion 6 and one side portion 6 only-of said sash being shown.

The side a of the window frame is provided with the usual vertical grooves or channels a and a in which the bottom and top sashes are vertically movable, and at the top of the frame are mounted the usual pulleys 0 over which the suspending chains 0 of the top sash are passed, only one of said pulleys and one of said chains being shown. One end of the chain c is detachably connected with the sash b at d in the usual manner, and the other end is provided with the usual counterbalance weight (Z and mount-ed on the chain 0 above the counterbalance weight d is a supplemental weight 6 provided with a large central bore 6 which is preferably oblong in cross section and through which the chain a loosely passes. The weight (Z2 is vertically movable in the usual channel f in the side of the window frame, and the inner wall 7 of said channel is provided at f with a slot or opening, and secured to the supplemental weight 6 at e is a flat arm g which passes inwardly through the slot or opening f and is curved upwardly and to which is pivoted, or otherwise secured, as shown at 9 a link member g and a corresponding link member g is pivoted, or otherwise secured to the inner wall 7 of the channel 7 at 9 and the link members 9 and g are connected at g. by what is known as fusible metal or material designed to melt or fuse at a comparatively low degree of temperature.

It will be understood that the sash Z) is free to move vertically in the usual manner, and as hereinbefore stated, it will also be understood that the construction shown and described is preferably duplicated at both sides of the window, and if, at any time, a fire should break out, and the sash b be lowered, as shown in Fig. l, the connections between the links g and 9 would be fused or melted and the weight a dropped onto the weight d and the sash would be immediately raised into its highest or closed position.

I am aware that windows have been provided with other forms of apparatus which would operate in a manner similar to mine, but the details of my construction are different from those of any similar apparatus heretofore employed, and my apparatus is also much more simple in construction and operation and much more easily and economically applied than any apparatus of the same class with which I am acquainted.

In Figs. 5 and 6 of the accompanying drawing, I have shown a modified form of the supplemental weight 6 in which the inner face of said weight is provided with a longitudinal recess h at the top of which 1s a downwardly directed hook h and formed integrally with, or connected with shown in Figs. 1 and-2, if desired, and the operation will be the same with either of said weights.

The pulley c, in the form of construction shown, is provided with a casing 2' having a depending plate 7?, said casing and plate being secured to the window frame, and in practice, I secure to the inner side of the plate 2' and to the window frame, or the wall 7' of the channel 7, a supplemental plate i this connection being also made by means of screws 21 passed through the inner wall f of the channel f and through the plates 2' and i and the bottom screw 2 serves as a connection for the link 9 but 'my invention is not limited to these exact details of construction and changes therein and modifications thereof, as well as of other parts of the apparatus herein described, may be made within the scope of i' the appended claims, without departing from the spirit of my invention or sacrific- 1ng its advantages. I

Having fully described my inventlon what 1 I claim as new and desire to secure by Letters Patent is 1. In a window, a frame having a vertical side channel provided with a wall adjacent to which the sash is vertically movable, said Copies of this patent may be obtained for weight mounted in said channel above the counterbalance weight and through which said chain is freely movable, said supplemental weight being provided with an attachment having an arm which passes inwardly through said' opening and extends upwardly, and a hanger connected with the top part'of the frame, said hanger and said arm being connected by fusible material.

2. In a window, a framehaving a vertical side channel provided with a wall adjacent to which the sash is vertically movable, said wall being provided in .the top portion thereof with an opening, and the sash being provided with a counterbalance weight movable over a pulley in the top of the frame, and a supplemental weight mounted in said channel above the counterbalance weight and through which said chain is freely movable, said supplemental weight being provlded wlth an attachment havmg an arm which passes inwardly through said openr ing and extends upwardly, and a hanger connected with the top part of the frame, said hanger and said arm being connected by fusible material, and being each composed of metal.

In testimony that I claim the foregoing as my invention I have signed my name in presence of the subscribing witnesses this 2nd day ofAugus't 1913.

DAVID J. ROQEN,

Witnesses: I

S- ANDREWS, C. MULREANY.

five cents each, by addressing'the Commissioner of Patents, Washington, D. O. 

